STREAKS, STATS AND NOTES — Bengals have never started season 7-0. They opened 6-0 two other times: 1975, 1988. They’re first AFC North team to go 6-0 since 2002 realignment. ... Steelers swept series last season, have won last three vs. Bengals and eight of 10 for 56-34 overall lead in series. ... Bengals have lost four of last five at Heinz Field and are 5-9 there overall. ... Teams meet again at Paul Brown Stadium on Dec. 13. ... QB Andy Dalton leads NFL with 116.1 passer rating. Also leads in fourth-quarter rating at 146.3. ... A win would be Dalton’s 23rd career on road, matching Dan Marino, Ben Roethlisberger and Matt Ryan for most by QB in his first five seasons during Super Bowl era. ... Bengals are only AFC team with two players scoring at least six TDs: TE Tyler Eifert (6) and RB Jeremy Hill (6). ... DE Carlos Dunlap is tied with Patriots DE Chandler Jones and Seahawks DE Michael Bennett for NFL lead with 6 1-2 sacks. ... Roethlisberger returns after missing last four games with sprained knee. He’s 16-6 career vs Cincinnati. His 427 completions and 5,051 yards are most vs. Bengals. ... Roethlisberger needs 31 yards passing to become fifth active quarterback to reach 40,000 yards, joining Peyton Manning, Drew Brees, Tom Brady and Eli Manning. ... WR Antonio Brown’s three punt returns for TDs have come against Bengals. ... LB Bud Dupree leads AFC rookies with three sacks. ... Fantasy Tip: A.J. Green had big games against Steelers last season: 11 catches for 224 yards, then eight catches for 82 yards before sustaining concussion.